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mart [117]
3 years ago
9

A recipe that makes 16 cookies calls for 1/4cup of sugar and 2/3cup of flour. Janelle wants toproportionally increase these amou

nts to get a new recipe using one cup of sugar.
a. Using the new recipe, how much flour should she use?
b. How many cookies can she make with the new recipe?
Mathematics
1 answer:
Usimov [2.4K]3 years ago
3 0
16 cookies : 1/4 cup of sugar : 2/3 cup of flour
   (x4)                 (x4)                      (x4)
64 cookies   :  1 cup of sugar  :  2 2/3 cup of flour

(a) She will need 2 2/3 cup of flour.
(b) She can make 64 cookies.
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lidiya [134]

|2x - 1|  =  | - x - 2|

Thus ;

2x - 1 =  - x - 2

Add both sides x

2x + x - 1 =  - x + x - 2

3x - 1 =  - 2

Add both sides 1

3x - 1 + 1 =  - 2 + 1

3x =   - 1

Divide both sides by 3

\frac{3x}{3}  =  \frac{ - 1}{3}  \\

x =  -  \frac{1}{3}  \\

<h2>Or </h2>

2x - 1 =  - ( - x - 2)

2x - 1 = x + 2

Subtract both sides x

2x  - x  - 1 = x - x + 2

x - 1 = 2

Add both sides 1

x - 1 + 1 = 2 + 1

x = 3

There u go ...

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2 years ago
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babunello [35]

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Step-by-step explanation:

8 0
3 years ago
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Answer:

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The definition of a relation is just a set of ordered pairs.

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It can't be a function because if it is a vertical line, then the x-value is the same for the whole line.

I hope that helps a bit

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2 years ago
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